current transducer lt 1000-si for the electronic measurement of currents : dc, ac, pulsed..., with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). e lectrical data i pn primary nominal r.m.s. current 1000 a i p primary current, measuring range 0 .. 1500 a r m measuring resistance r m min r m max with 15 v @ 1000 a max 0 25 w @ 1500 a max 0 5 w i sn secondary nominal r.m.s. current 200 ma k n conversion ratio 1 : 5000 v c supply voltage ( 5 %) 15 v i c current consumption 25 + i s ma v d r.m.s. voltage for ac isolation test, 50 hz, 1 mn 6 kv accuracy - dynamic performance data x g overall accuracy @ i pn , t a = 25c 0.3 % e l linearity error < 0.1 % typ max i o offset current @ i p = 0, t a = 25c 0.4 ma i ot thermal drift of i o 0c .. + 70c 0.2 0.3 ma t r response time 1) @ 90 % of i pn < 1 s di/dt di/dt accurately followed > 50 a / s f frequency bandwidth (- 1 db) dc .. 100 khz general data t a ambient operating temperature 0 .. + 70 c t s ambient storage temperature - 25 .. + 85 c r s secondary coil resistance @ t a = 70c 40 w m mass 700 g standards en 50178 (97.10.01) note : 1) with a di/dt of 100 a/s. features closed loop (compensated) current transducer using the hall effect insulated plastic case recognized according to ul 94-v0. advantages excellent accuracy very good linearity low temperature drift optimized response time wide frequency bandwidth no insertion losses high immunity to external interference current overload capability. applications ac variable speed drives and servo motor drives s tatic converters for dc motor drives battery supplied applications uninterruptible power supplies (ups) switched mode power supplies (smps) power supplies for welding applications. i pn = 1000 a 040317/7 lem components www .lem.com www.datasheet.co.kr datasheet pdf - http://www..net/
connection remarks i s is positive when i p flows in the direction of the arrow. temperature of the primary conductor should not exceed 100c. dynamic performances (di/dt and response time) are best with a single bar completely filling the primary hole. this is a standard model. for different versions (supply voltages, turns ratios, unidirectional measurements...), please contact us. mechanical characteristics general tolerance 0.5 mm transducer fastening 4 slots ? 7 mm 4 m6 steel screws recommended fastening torque 4.7 nm or 3.47 lb- ft primary through-hole ? 40 mm connection of secondary faston 6.3 x 0.8 mm dimensions lt 1000-si (in mm. 1 mm = 0.0394 inch) front view top view left view lem reserves the right to carry out modifications on its transducers , in order to improve them, without previous notice. www.datasheet.co.kr datasheet pdf - http://www..net/
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